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How do I solve this problem??? Please help... Ans : 2

How do I solve this problem??? 
Please help... 
Ans : 2

Question Image
Grade:11

2 Answers

Arun
25763 Points
one year ago
Dear student
 
( 1 + i)^2 = 1 – 1 + 2i = 2i
similarly 
(1 – i)^2 = 1 – 1 – 2i = – 2i
 
now 
(sqrt(2))^8n +  (sqrt(2))^8n = 2 * 2^4n = 24n +1
Vikas TU
14149 Points
one year ago
Dear student 
It is a kind request 
Please ask math question n math section , only . 
Do not ask it in any other section , 
Good Luck 

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